Restoring lions-tailed trees

Treatment:
To restore a tree that has been over-thinned or lions-tailed, allow sprouts
to develop along the branches for a few years. Your goal is to eventually develop
a few sprouts into permanent branches. Remove some of the sprouts and shorten
others two or three years after the tree was over-pruned making sure that the
ones you leave are more or less evenly distributed along the branches. Make
a special effort to keep sprouts toward the base of the main branches to develop